Back in 2010, the US Patent and Trademark Office granted Citigroup a trademark for “thankyou,” which the company uses for credit card services. Today the company is suing AT&T over its own use of the terms “thanks” and “thanks AT&T.” Check the date, because this isn’t April Fool’s.

Citi Cards customers might find this little gadget in their wallets soon. It's basically a regular credit card except it has tiny buttons which let you choose whether to charge a purchase normally or whether to pay with rewards points.